Assisted reproduction and risk of preterm birth in singletons by infertility diagnoses and treatment modalities: a population-based study

Galit Levi Dunietz, Claudia Holzman, Yujia Zhang, Chenxi Li, David Todem, Sheree L. Boulet, Patricia McKane, Dmitry M. Kissin, Glenn Copeland, Dana Bernson, Michael Peter Diamond

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Purpose: The purpose of this study is to examine the spectrum of infertility diagnoses and assisted reproductive technology (ART) treatments in relation to risk of preterm birth (PTB) in singletons. Methods: Population-based assisted reproductive technology surveillance data for 2000–2010 were linked with birth certificates from three states: Florida, Massachusetts, and Michigan, resulting in a sample of 4,370,361 non-ART and 28,430 ART-related singletons. Logistic regression models with robust variance estimators were used to compare PTB risk among singletons conceived with and without ART, the former grouped by parental infertility diagnoses and treatment modalities. Demographic and pregnancy factors were included in adjusted analyses. Results: ART was associated with increased PTB risk across all infertility diagnosis groups and treatment types: for conventional ART, adjusted relative risks ranged from 1.4 (95% CI 1.0, 1.9) for male infertility to 2.4 (95% CI 1.8, 3.3) for tubal ligation. Adding intra-cytoplasmic sperm injection and/or assisted hatching to conventional ART treatment did not alter associated PTB risks. Singletons conceived by mothers without infertility diagnosis and with donor semen had an increased PTB risk relative to non-ART singletons. Conclusions: PTB risk among ART singletons is increased within each treatment type and all underlying infertility diagnosis, including male infertility. Preterm birth in ART singletons may be attributed to parental infertility, ART treatments, or their combination.

Original languageEnglish (US)
Pages (from-to)1529-1535
Number of pages7
JournalJournal of Assisted Reproduction and Genetics
Issue number11
StatePublished - Nov 1 2017


  • Assisted hatching
  • Assisted reproductive technology
  • Donor oocytes or embryos
  • Infertility
  • Intra-cytoplasmic sperm injection
  • Preterm birth

ASJC Scopus subject areas

  • Reproductive Medicine
  • Genetics
  • Obstetrics and Gynecology
  • Developmental Biology
  • Genetics(clinical)


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